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b) A needle contains 1 mg of radium. Find the decay constant and the activity in Bq of this isotope, given that its half-life is 1620 years and Avogadro's number is 6.02 x 1023. If 1 mg of radium decays for 1 day, how many 0.18 MeV gamma rays will be emitted? c)

b) A needle contains 1 mg of radium. Find the decay constant and the activity in Bq of this isotope, given that its half-life is 1620 years and Avogadro's number is 6.02 x 1023. If 1 mg of radium decays for 1 day, how many 0.18 MeV gamma rays will be emitted? c)

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b) A needle contains 1 mg of radium. Find the decay constant and the activity in Bq of this isotope, given that its half-life is 1620 years and Avogadro's number is 6.02 x 1023. c) If 1 mg of radium decays for 1 day, how many 0.18 MeV gamma rays will be emitted?
Transcribed Image Text:b) A needle contains 1 mg of radium. Find the decay constant and the activity in Bq of this isotope, given that its half-life is 1620 years and Avogadro's number is 6.02 x 1023. c) If 1 mg of radium decays for 1 day, how many 0.18 MeV gamma rays will be emitted?
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